Diesel power is a rarity in the motorcycle world. There have been only a couple of mass-market diesel motorcycles in history, and the chances of seeing a new diesel today are even lower as the world ...

[Alex] has been hard at work on his second vegetable-oil-powered diesel bike build. The last time we checked in, he was finishing off work on his Honda CB400. Unfortunately, he felt it wasn’t quite ...

The idea’s surely unique, but the performance figures will leave you wanting. Diesel power is everywhere in the automotive world, as you'll find it in trucks, vans, buses, and even some SUVs. And for ...